{
  "resourceType": "Questionnaire",
  "id": "a-questionnaire",
  "item": [
    {
      "linkId": "parent-item",
      "type": "group",
      "text" : "Parent",
      "repeats": true,
      "item": [
        {
          "linkId": "question-1",
          "type": "boolean",
          "text": "Question 1"
        },
        {
          "linkId": "question-2",
          "type": "string",
          "text" : "Question 2"
        }
      ]
    }
  ]
}